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Water flows smoothly over a small bump in a channel of constant width, as shown in Figure P10.11. At any cross-section the velocity may be considered constant over the entire area. If V1 is the velocity at entry, where the depth is Y1, and V2 is the velocity where the bump has its highest point, where the depth is Y2. If Y1/Y2 = 1.8, find
(a) The Froude number of the flow at entry.
(b) The Froude number at the top of the bump.
what is the maximum number of moles that fit in the channel of a processor chip that is 61.7 nm long, 86.6 nm wide and 595 nm thick. Assume that the atoms stack in a simple cubic arrangement.
An environmental chemist sampling industrial exhaust gases from a coal-burning plant collects a CO2-SO2-H2O mixture in a 21-L steel tank until the pressure reaches 850 torr at 45oC.
What is the Kc for the following equilibrium CO2+H2=CO+H2O if CO=0.24M, H2O=0.38m, CO2=0.30M and H2O=3.3*10-2M
How many hours will it take to produce 47.0 kg of Al metal by the reduction of Al3+ in an electrolytic cell using a current of 487 amps
What are the coefficients of the six species in the balanced equation above? Remember to include H2O (l) and H+ (aq) in the appropriate blanks.
Classify each of the following as a binary ionic compound, ternary ionic compound, binary molecular compound, or ternary oxyacid. 1.) Hydrazine, N2H4 2.) Nitrous Acid, HN02(aq) 3.) Cobalt(II) Nitride, Co3N2 4.) Sodium Nitride, NaNO2
if 77.0 ml of hydrogen gasis collected over water at 50 degree celsius and 763 mm hg what is the volume of dry gas at
The Ka of a monoprotic weak acid is 7.78 × 10-3. What is the percent ionization of a 0.141 M solution of this acid?
what is the molality of a solution of 10g benzophenone and 1mL of cyclohexanone
If the rate of appearance of Cr2 (SO4)3 is 1.64 mol/min at a particular moment, explain what is the rate of disappearance of C2H6O at that moment. 2 K2Cr2O7 + 8 H2SO4 + 3 C2H6O 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
The freezing point depression constant of water is -1.86 degrees C/m. If 7.50 g NaCl is dissolved in 45.0 g H2O, the freezing point is changed by -9.71 degrees C. Calculate the van't Hoff factor for NaCl.
A 32.22 g sample of a metal that looks like aluminum is heated to 99.8 C in hot water. The metal is then quickly transferred into exactly 50.0 ml of water at 22.9 C in a calorimeter
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